/Engine/Source/Runtime/ImageCore/Public/ImageParallelFor.h
Parallel process image as TArrayView64your lambda is called on one row at a time so that the grouping is machine invariant
namespace FImageCore { template<typename Lambda> void FImageCore::ImageParallelProcessLinearPixels ( const TCHAR * DebugName, const [FImageView](API\Runtime\ImageCore\FImageView) & Image, const Lambda & Func ) }